Skip to main content

Table 3 Receiver operating characteristic (ROC) curve evaluation for all-cause mortality prediction

From: Relationship and prognostic importance of thyroid hormone and N-terminal pro-B-Type natriuretic peptide for patients after acute coronary syndromes: a longitudinal observational study

Prediction of all-cause mortality: ROC analysis Area under the curve (AUC) 95 % CI p
Age 0.642 0.604–0.678 0.003
NYHA class 0.690 0.653–0.725 <0.001
NT-pro- BNP 0.675 0.638–0.711 <0.001
fT3/fT4 0.684 0.647–0.719 <0.001
NT-pro-BNP & fT3/fT4 model 0.732 0.693–0.766 <0.001
Combined model 0.800 0.753–0.817 <0.001
ROC curves comparison – Combined model vs: AUC (difference) 95 % CI p
Age 0.150 0.064–0.235 <0.001
NYHA class 0.090 0.030–0.150 0.003
NT-pro-BNP 0.115 0.023–0.207 0.014
fT3/fT4 0.103 0.034–0.173 0.004
NT-pro-BNP & fT3/fT4 model 0.055 −0.032–0.142 0.218
  1. CI confidence interval, NT-pro-BNP N-terminal pro-B-Type natriuretic peptide, fT3/fT4 Free Triiodothyronine/Free Thyroxine ratio, fT4 Free Thyroxine, NYHA New York Heart Association functional class; Combined model - composed by parameters of age, NYHA, NT-pro-BNP, and fT3/fT4